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List:       kde-commits
Subject:    KDE/kdebase/workspace/libs/plasma/widgets
From:       Aaron J. Seigo <aseigo () kde ! org>
Date:       2008-10-28 9:25:57
Message-ID: 1225185957.602711.24074.nullmailer () svn ! kde ! org
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SVN commit 876852 by aseigo:

something i've wanted for a bit: autohide on fade. perfect kind of "i don't have to \
think to add this" kind of feature to fill in my boredom during meetings full of \
powerpoint presentations ;)


 M  +45 -10    flash.cpp  
 M  +4 -0      flash.h  


--- trunk/KDE/kdebase/workspace/libs/plasma/widgets/flash.cpp #876851:876852
@@ -46,12 +46,14 @@
             Invisible
         };
 
-        FlashPrivate()
-            : defaultDuration(3000),
+        FlashPrivate(Flash *flash)
+            : q(flash),
+              defaultDuration(3000),
               type(FlashPrivate::Text),
               color(Qt::black),
               animId(0),
-              state(FlashPrivate::Invisible)
+              state(FlashPrivate::Invisible),
+              autohide(false)
         {
             //TODO: put this on a diet by using timerEvent instead?
             fadeOutTimer.setInterval(defaultDuration);
@@ -59,11 +61,14 @@
             fadeInTimer.setInterval(0);
             fadeInTimer.setSingleShot(true);
         }
+
         ~FlashPrivate() { }
 
         void renderPixmap(const QSize &size);
-        void setupFlash(Flash *flash, int duration);
+        void setupFlash(int duration);
+        void elementAnimationFinished(int);
 
+        Flash *q;
         int defaultDuration;
         FlashType type;
         QTimer fadeInTimer;
@@ -80,11 +85,12 @@
         Qt::Alignment alignment;
 
         State state;
+        bool autohide;
 };
 
 Flash::Flash(QGraphicsItem *parent)
     : QGraphicsWidget(parent),
-      d(new FlashPrivate)
+      d(new FlashPrivate(this))
 {
     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum);
     setCacheMode(NoCache);
@@ -126,7 +132,7 @@
     d->type = FlashPrivate::Text;
     d->text = text;
     d->textOption = option;
-    d->setupFlash(this, duration);
+    d->setupFlash(duration);
 }
 
 void Flash::flash(const QPixmap &pixmap, int duration, Qt::Alignment align)
@@ -138,9 +144,27 @@
     d->type = FlashPrivate::Pixmap;
     d->pixmap = pixmap;
     d->alignment = align;
-    d->setupFlash(this, duration);
+    d->setupFlash(duration);
 }
 
+void Flash::setAutohide(bool autohide)
+{
+    d->autohide = autohide;
+
+    if (autohide) {
+        connect(Plasma::Animator::self(), SIGNAL(elementAnimationFinished(int)),
+                this, SLOT(elementAnimationFinished(int)));
+    } else {
+        disconnect(Plasma::Animator::self(), SIGNAL(elementAnimationFinished(int)),
+                  this, SLOT(elementAnimationFinished(int)));
+    }
+}
+
+bool Flash::autohide() const
+{
+    return d->autohide;
+}
+
 void Flash::kill()
 {
     d->fadeInTimer.stop();
@@ -152,6 +176,10 @@
 void Flash::fadeIn()
 {
     //kDebug();
+    if (d->autohide) {
+        show();
+    }
+
     d->state = FlashPrivate::Visible;
     d->animId = Plasma::Animator::self()->animateElement(this, \
                Plasma::Animator::AppearAnimation);
     Plasma::Animator::self()->setInitialPixmap(d->animId, d->renderedPixmap);
@@ -225,16 +253,16 @@
     }
 }
 
-void FlashPrivate::setupFlash(Flash *flash, int duration)
+void FlashPrivate::setupFlash(int duration)
 {
     fadeOutTimer.stop();
     fadeOutTimer.setInterval(duration > 0 ? duration : defaultDuration);
 
-    renderPixmap(flash->size().toSize());
+    renderPixmap(q->size().toSize());
     if (state != FlashPrivate::Visible) {
         fadeInTimer.start();
     } else {
-        flash->update();
+        q->update();
     }
 
     if (fadeOutTimer.interval() > 0) {
@@ -242,4 +270,11 @@
     }
 }
 
+void FlashPrivate::elementAnimationFinished(int id)
+{
+    if (autohide && state == FlashPrivate::Invisible && id == animId) {
+        q->hide();
+    }
+}
+
 #include "flash.moc"
--- trunk/KDE/kdebase/workspace/libs/plasma/widgets/flash.h #876851:876852
@@ -54,6 +54,9 @@
         void flash(const QPixmap &pixmap, int duration = 0,
                    Qt::Alignment align = Qt::AlignCenter);
 
+        void setAutohide(bool autohide);
+        bool autohide() const;
+
     public Q_SLOTS:
         void kill();
 
@@ -62,6 +65,7 @@
         void fadeOut();
 
     private:
+        Q_PRIVATE_SLOT(d, void elementAnimationFinished(int))
         FlashPrivate *const d;
 };
 


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